HP 7942 Service Manual page 65

AC
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INPUT
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POWER SUPPLY
HOST
COMPUTER
FlLEaFSMAX18A
A 4
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RESET
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DEPENDENT
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CONTROLLER
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PCA-A2
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IN\\-?FOA
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HU DATA/CONTROL
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PCA-A5
INTERFACE
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PLL
BUS
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IC
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M F M F
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(D C
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READ/WRITE DAH BUS B /
CDNTRDL/STATUS DATA BUS
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RAM MICRO-
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DISPLAY IC PROCESSOR SELF TEST SELF TEST SELF TEST
CONTROL
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1
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CO" ROl IS TAT
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FAULT/
ON LINE
INDICATOR
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